Means for attaching feet to tubs, &amp;c.



O. H. MARSOHUETZ & W. G. PROBST.

MEANS FOR ATTAGHING FEET TO 'TUBS, 6w. APPLICATION FILED 00T.12, 1907.

Patented N 0V. 15, 1910.

2 SHEETS-SHEET l.

Suva/14km 0. H. MARSGHUETZ 6: W. G. PROBST. MEANS FOR ATTAGHING FEET TOTUBS, 6w.

' APPLICATION FILED 0OT.12,1907.

' Patented Nov. 15, 1910.

2 SHEETS-SHEET 2.

a rena onrrc.

OSCAR H. MARSCHUETZ ANDUWILLIAM e. rnoBsT, on LoUIsvILLn, KENTUCKY, As-

SIGNOBS T0 STANDARD SANITARY MANUFACTURING COMPANY, on PITTSBURG,PENNSYLVANIA, A CORPORATION on NEW JERSEY.

MEANS FOR ATTAGHING FEET TO TUBS, 8w.

Specification of Letters Patent. Patented N 15, 1910. Application filedOctober 12, 1907.

Serial No. 397,217.

To all whom it may concern:

Be it known that we, OsoAR H. IVIAR- SCHUETZ and WILLIAM G. Pnoesr,citizens of the United States, and residents of Louisville, in the Stateof Kentucky, have invented certain new and'useful Improvements in Meansfor Attaching Feet to Tubs, &c., of which the following is aspecification.

Our invention consists in means for attaching feet or legs to bodies,such as tubs, both the feet and the tubs being usually of metal.

The invention is applicable to attachments for stove legs, and otheruses which will be apparent after reading the specification.

Metal tubs are generally coated with vitreous enamel at a comparativelyhigh temperature, lower, however, than that atwhich the metal melts. Thefeet for such tubs are formed separately, and in order to attach them tothe tubs the metal of the relatively thin walls of the latter must bethickened more or less at one or more points. If too great a mass ofmetal is formed on the tub for this purpose, the tub is affectedinjuriously either before or after enameling or both, by warping or bycracking or crazing of the enamel. If the mechanical devices employed tosecure the feet to the tub are such that considerable strains are set upin the tub-body similar injurious effects upon the enamel are liable tobe created.

Our invention has for its object the prevention of the injurious effectsupon the tub or enamel resulting from the thickness of metal on thetub-body or from the mechanical means used to attach the feet.

Another object of the invention is to provide a mechanically efiicientattachment which will hold the feet on the tub-body with great rigidityand security from displacement.

A preferred construction embodying the invention comprises, among otherdetails, projections termed doves on the tub-body, the opposing faces ofwhich are shaped to form a doubly-tapered socket; a beveled bar on thetub between the doves; a dove-tail on the foot shaped to fit the socket;and a screw in the dove-tail engaging the beveled bar so as to urge thedove-tail into the socket.

The invention is capable of embodiment in widely differing structures.One structure a vertical section through the foot and the tub; Fig. 3, abottom view of the foot and attaching means, the foot being cut awaybelow the tub; Fig. 3 a bottom view of a section of a tub showing thedoves and other attachment members carried by the tub; and Fig. 4 'adetail sectional view of the bar, the end of the dove-tail and thescrew.

Reference numeral 1 designates a foot; 2, the upper end thereof suitablyshaped to receive the tub; 3 is a segment of a curved tub bottom. On theoutside of the tub for each foot are cast two projections or doves 4.The confronting faces 5 of the doves are beveled so that they form adoubly-tapered socket decreasing in size from the outside toward thecenter of the tub and from the top toward the bottom. Between the dovesand projecting beyond them toward the middle of the tub, rails with flatbottoms 6 forming a base for a dovetail are cast on the tub. The railsare separated by a groove 7. A cross-bar 8 crosses groove 7 at anysuitable point, conveniently somewhere between the doves. This cross-barhas a beveled rearwardly presenting face 9.

Near the top, foot 1 is provided with an inwardly projecting dovetail10. The top 11 of the dovetail is flattened to slide freely on the rail6 in attaching the foot and the slides 12 of the dovetail are tapered toconform with the taper of the socket formed between doves 4. Thedovetail is provided with a screw 13 arranged so that its end willengage beveled face 9 of cross-bar 8 after the foot has been put inplace, as will be described.

Assuming the foot to be detached, it is connected to the tub by placingone end of the dovetail in the socket between the doves 4 and shovingthe foot back until the end of screw 13 is opposite the bevel 9 oncross-bar 8. The screw is then set up and by engagement with the beveltends to further force the dovetail into the socket. In addition to itstendency to force the dovetail into firm engagement, the engagement ofthe screw with the cross-bar also positively prevents I removal ofdovetail from its socket until the screw is backed out. The beveled face9 of the'cross-bar may therefore be omitted and the bar used simply toform, together with the screw, a positive lock for the foot.

In some cases, a double-tapered socket and dovetail would form asuflicient foot attachment if the dovetail were driven tight into thesocket, but such driving is apt to set up strains in the tub-body whichcause crazing of the enamel. The provision of the cross-bar and thescrew obviate the necessity for excessively tight driving and at thesame time form a very secure attachment. The tub feet may be made of anysuitable metal.

Ordinarily, it would be necessary to bore and tap each dovetail for thereception of the screw 13. To avoid the expense of this operation and toprovide a. substantial and durable seat for the screw, we employ thefollowing expedient in forming the feet:

Numeral designates a sheet metal clipbent substantially in U-shape. Twoshort tubes 16 are inserted one in each side of clip 15 so as to leavean opening between them large enough to receive a steel or iron nut 17The clip with the nut in place is put in place in the mold for the footby suitable means which do not form a part of the present invention.Upon pouring the foot the fluid metal fills clip 15, as seen in Fig. 4,surrounding the nut and holding it firmly in position. Metal isprevented from enterin the bore of the nut during pouring by the tubes16. After the metal hardens the foot becomes substantially an integralstructure with a threadech'hard metal nut in place ready to receive thescrew 13 without any machine operation. It is to be understood that thefeet and the parts formed on the tub are to be duplicated to correspondwith the number of feet required on the article.

The attachment means described herein are particularly adaptable to suchbodies as tubs, in which it is desired, generally, to attach the feet tocurved portions of the body. However, by obvious changes, the inventioncan be adapted to the attachment of feet or legs to flat bodies, such asstove bottoms, etc.

WVe claim:

As a new article of manufacture, a metal foot for tubs or the like,comprising a dovetail, a clip, co-axial tubes secured to the clip, and athreaded nut between the tubes; the nut and tubes being surrounded andheld in operatively integral relation with the dovetail by thehomogeneous metal substance of the foot. 1

OSCAR H. MARSCHUETZ. lVILLIAM Gr. PROBST.

WVitnesses:

C. H. RAMSEY, J. D. MURPHY.

